# Fingerprint CI Gate (agent skill)

> Fingerprint CI Gate is an agent skill (a SKILL.md file) from liarjsdev/liarjs-skills. Gate a build on browser fingerprint regressions with liarjs - save a baseline scan as JSON, diff later runs against it… It works with Claude Code, Codex, Cursor, Gemini CLI, GitHub Copilot and OpenCode and has 518 GitHub stars across a repository of 4 listed skills.

Gate a build on browser fingerprint regressions with liarjs - save a baseline scan as JSON, diff later runs against it, and fail the job when the consistency score falls below a floor. Use when asked to add a fingerprint or headless-detection check to GitHub Actions, GitLab CI or another pipeline, to catch a regression in a Chromium build or scraping harness before it ships, or to track how a fingerprint score changes across commits.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/liarjsdev/liarjs-skills |
| Skill path | skills/fingerprint-ci-gate/SKILL.md |
| Skill name | fingerprint-ci-gate |
| GitHub stars | 518 |
| Installs on skills.sh | 79,631 |
| License | MIT |
| Skills in repo | 4 |
| Plugin marketplace | no |
| Official | no |
| Works with | Claude Code, Codex, Cursor, Gemini CLI, GitHub Copilot, OpenCode |
| Category | Testing & QA |
| Last commit | Aug 6, 2026 |

## When it triggers

- Use when asked to add a fingerprint or headless-detection check to GitHub Actions, GitLab CI or another pipeline, to catch a regression in a Chromium build or scraping harness before it ships, or to track how a fingerprint score changes acr

## Add this skill

### Claude Code

```sh
git clone --depth 1 https://github.com/liarjsdev/liarjs-skills.git
cp -r liarjs-skills/skills/fingerprint-ci-gate ~/.claude/skills/fingerprint-ci-gate   # personal, or .claude/skills in a project
```

In the Claude apps, zip the skill folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

### ChatGPT / Codex

```sh
git clone --depth 1 https://github.com/liarjsdev/liarjs-skills.git
cp -r liarjs-skills/skills/fingerprint-ci-gate .agents/skills/fingerprint-ci-gate   # repo; ~/.agents/skills for all projects
```

### Cursor

```sh
git clone --depth 1 https://github.com/liarjsdev/liarjs-skills.git
cp -r liarjs-skills/skills/fingerprint-ci-gate .cursor/skills/fingerprint-ci-gate   # project; ~/.cursor/skills for all projects
```

Sources (checked 2026-10-07): https://code.claude.com/docs/en/skills, https://support.claude.com/en/articles/12512180-using-skills-in-claude, https://learn.chatgpt.com/docs/build-skills, https://cursor.com/docs/context/skills

skills.sh listing: https://www.skills.sh/liarjsdev/liarjs-skills/fingerprint-ci-gate

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Canonical page: https://appsgit.com/skills/liarjsdev-fingerprint-ci-gate
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